<script setup lang="ts">
import { delRoleUserAPI, getRoleDetailAPI, getRoleListAPI, getRoleUserAPI, getTreeListAPI } from '@/apis/system';
import type { Role, RoleData, RoleUser } from '@/types/system';
import { ref } from 'vue';
// 导入两张图片
import userIcon from '@/assets/user.svg'
import userIconActive from '@/assets/user-active.svg'
import { ElMessage, ElMessageBox, type TreeInstance } from 'element-plus';

// 定义空数组,接收角色数据
const roleList = ref<Role[]>([])
const getRoleList = async () => {
  const res = await getRoleListAPI()
  roleList.value = res.data
  // 获取第一个角色详情
  const roleId = res.data[0].roleId
  getRoleDetail(roleId)
  // 获取第一个角色成员
  getRoleUser(roleId)
}
getRoleList()
// tab栏点击谁,谁高亮
const activeIndex = ref(0)
const changeRole = async (index: number, roleId: number) => {
  // 2.1 设置高亮效果
  activeIndex.value = index
  // 2.2 获取角色详情
  // const res = await getRoleDetailAPI(roleId)
  // console.log('res', res);
  getRoleDetail(roleId)
  // 获取角色成员
  getRoleUser(roleId)
}

// 获取权限列表(树形)
const treeList = ref<RoleData[]>([])
const getTreeList = async () => {
  const res = await getTreeListAPI()
  treeList.value = res.data
}
getTreeList()

// 4. 获取角色详情
const treeRefs = ref<TreeInstance[]>([])
const perms = ref<number[][]>([])
const getRoleDetail = async (roleId: number) => {
  const res = await getRoleDetailAPI(roleId)
  // console.log('res', res);
  perms.value = res.data.perms
  userTotal.value = res.data.userTotal // 保存成员数量
  // 切换时，设置选中的权限、
  treeRefs.value.forEach((tree, index) => {
    tree.setCheckedKeys(perms.value[index])
  })
}

 // 6. tab切换
 const activeName = ref<'tree' | 'member'>('tree') // 默认打开tree
 const userTotal = ref(0) // 成员数量

 // 获取角色成员
const roleUserList = ref<RoleUser[]>([])
const getRoleUser = async (roleId: number) => {
  const res = await getRoleUserAPI(roleId)
  roleUserList.value = res.data.rows
}
// 删除业务的实现
const onDelete = async (roleId: number) => {
  ElMessageBox.confirm('确定删除该角色吗？', '提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  }).then(async () => {
    await delRoleUserAPI(roleId + '')
    // 删除完后重新获取数据
    getRoleList()
    ElMessage.success('删除成功')
  })
}

</script>

<template>
  <div class="role-container">
    <div class="left-wrapper">
      <div 
      v-for="(item,index) in roleList" 
      @click="changeRole(index,item.roleId)"
      :key="item.roleId" 
      class="role-item"
      :class="{active:activeIndex===index}"
      >
        <div class="role-info">
          <img :src="activeIndex===index? userIconActive :userIcon" class="icon" />
        </div>
        {{ item.roleName }}
        <div class="more">
          <el-dropdown>
          <span class="el-dropdown-link">
            <img src="@/assets/more.svg" class="icon" />
          </span>
          <template #dropdown >
            <el-dropdown-menu>
              <el-dropdown-item>
                <el-button type="primary" @click="$router.push(`/roleAdd/${item.roleId}`)" link>编辑角色</el-button>
              </el-dropdown-item>
              <el-dropdown-item>
                <el-button type="danger" @click="onDelete(item.roleId)" link>删除角色</el-button>
              </el-dropdown-item>
            </el-dropdown-menu>
          </template>
          </el-dropdown>
        </div>
      </div>
      <el-button class="addBtn" size="small" @click="$router.push('/roleAdd')">
        添加角色
      </el-button>
    </div>

    <!-- 右侧权限和成员 -->
<div class="right-wrapper">
  <el-tabs v-model="activeName">
    <el-tab-pane label="功能权限" name="tree">
      <div class="tree-wrapper">
    <div v-for="(item,index) in treeList" :key="item.id"  class="tree-item">
          <div class="tree-title"> {{ item.title }} </div>
          <el-tree 
          :data="item.children" 
          :props="{ label: 'title',disabled:()=>true } "
          default-expand-all
          show-checkbox
          :default-checked-keys="perms[index]"
          node-key="id"
          ref="treeRefs" 
          />
    </div>
  </div>
    </el-tab-pane>
    <el-tab-pane :label="`成员(${userTotal})`" name="member"> 
    <div class="user-wrapper">
      <el-table :data="roleUserList">
        <el-table-column type="index" width="250" label="序号"></el-table-column>
        <el-table-column prop="name" label="员工姓名"></el-table-column>
        <el-table-column prop="userName" label="登陆账号"></el-table-column>
      </el-table>
    </div>  
    </el-tab-pane>
  </el-tabs>
</div>
  </div>
</template>

<style scoped lang="scss">
.role-container {
  display: flex;
  font-size: 14px;
  background-color: #fff;

  .left-wrapper {
    width: 200px;
    border-right: 1px solid #e4e7ec;
    padding: 4px;
    text-align: center;

    .role-item {
      position: relative;
      height: 56px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      cursor: pointer;

      &.active {
        background: #edf5ff;
        color: #4770ff;
      }
    }

    .role-info {
      display: flex;
      align-items: center;

      .icon {
        margin-right: 10px;
        width: 20px;
      }
    }

    .more {
      display: flex;
      align-items: center;
      .icon {
          width: 15px;
        }
    }

    .addBtn {
      width: 100%;
      margin-top: 20px;
    }
  }

  .right-wrapper {
    flex: 1;

    .tree-wrapper {
      display: flex;
      justify-content: space-between;

      .tree-item {
        flex: 1;
        border-right: 1px solid #e4e7ec;
        padding: 0px 4px;
        text-align: center;

        .tree-title {
          background: #f5f7fa;
          text-align: center;
          padding: 10px 0;
          margin-bottom: 12px;
        }
      }
    }

    ::v-deep .el-tabs__nav-wrap {
      padding-left: 20px;
    }

    .user-wrapper {
      padding: 20px;
    }
  }
}
</style>
